I failed in the focus ! And globular cluster needs perfect focus !
NGC 6656
GSO 305 mm - Canon Rebel XT - ISO 400 - 22 min - 11 x 120 sec - OAG - ASI120MC - Coma Corr.
wide field:
http://cdn.astrobin.com/images/29194...0cb85f6_hd.jpg
NGC 6723
GSO 305 mm - Canon Rebel XT - ISO 800 - 22 min - 11 x 120 sec - OAG - Coma Corr.
wide field:
http://cdn.astrobin.com/images/9a888...f86ca21_hd.jpg